The ratio between the number of particles or photons counted with a @R05053@ and the number of particles or photons of the same type and @E02102@ emitted by the @R05088@.
Source: PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2517 [Terms] [Paper]
Citation: 'counting efficiency' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01377 RISBibTexEndNote